Improvement in plows



G. M. BRYAN.

Plow.

Patented May 10, 1859.

Warwss'qb. 6%

UNITED STATES PATENT OFFICE.

G. M. BRYAN, OF WRIGHT CITY, MISSOURI.

lM PROVEM ENT IN PLOWS.

Specification forming part of Letters Patent No. 23,898, dated May 10, 1859.

vention Fig. 2, an inverted plan of the same.

Fig. 8 is a detached back or inner side view of the mold-board.

Similar'letters of reference indicate corresponding parts in the several figures.

This invention relates to an improvement in that class of plows which have reversible moldboards with a'share at either end, so that both may be used, one share as it becomes dull or worn out being displaced by reversing the mold-board and the other one properly adiusted for use.

The invention consists in the peculiar arrangement of the parts or the method of attaching or applying the mold-board, as hereinafter fully shownand described, whereby the mold-board may be readily adjusted or shifted on the plow and at the same time firmly secured to it, so as to prevent the possibility of the casual movement of the mold-board.

To enable those skilled in the art to fully understand and construct my invention, I will proceed to describe it.

A represents the beam of a plow, -B the standard, and O G the two handles.

D is the mold-board, which may be of the usual curved form, and having a share, a, formed on both its upper and lower ends, as shown clearly in Fig. 1, both shares being precisely alike both as regards form and dimensions.

To the back or inner side of the mold-boardD two flanges, b b, are attached at opposite sides of the mold-board and at opposite ends. These .flanges have the same position with the edge of the mold-board to which they are attached, and the position is such that either flange will, when the share to directly in front of it'is at the lower end of the mold-board, be in line with the landside E. The back end of the landside E is attached to the lower end of the handle 0 by a bolt, 0, and a curved bar, d, which is attached at one end by a bolt, cl, to the mold-board, passes through an eye, 6, at the lower end of a rod, F, and is secured permanently to the landside E. The rod F extends upward through the standard B and beam A, and has a screw-nut,f, on its upper end. A bolt, 9, also passes through the moldboard D and standard B. The lower flange, b, is secured by two screw-bolts, h h, to the front part of the landside, and the handle 0 is secured to the upper flange, I), by screw-bolts d i.

From the above description it will be seen that the mold-board D is secured to the plow by the bolts h h, M, g, and d, the bar (1 serving as a brace to render the mold-board perfectly rigid. When one share a-beco nes worn by use the bolts lrh, g, i c, and d are removed, and the mold-board is reversed or inverted so as to bring the uppermost share a downward, and the bolts h are inserted in the holes that were formerly occupied by the bolts 2' i, and the bolt d passes through the hole formerly occupied by bolt g, the holes that receive the bolts 9 d being made in the mold-board with a view to this adjustment of the mold-board.

The chief difficulty hitherto attending the construction of plows with reversible moldboards has been the connecting of the moldboard to the plow in a rigid manner, and at the same time permitting the mold-board to be readily adjusted or reversed on the plow. This difficulty has been fully overcome by my invention.

I do not claim broadly the employment or use of a reversible mold-board, for they have been previously used and arranged in various ways; but a 1 do claim as new and desire to secure by Letters Patent-- Attaching the mold-board D by means of the bolts h h M,passing through cleats b b at the inner side of the moldboard and into the landside E, and handle 0, the bolts 9 d, and the brace-bar d, the whole being arranged substantially as and for the purpose set forth.

0. M. BRYAN.

Witnesses:

I. V. HAYES, It. HENRY WEVILL. 

